Home / 71,025.12-98,013.81-39,193.32

Finding the Fourth Proportional to 71,025.12, 98,013.81 and 39,193.32

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Solution

The fourth proportional to 71,025.12, 98,013.81 and 39,193.32 is: 54,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,025.12 : 98,013.81 = 39,193.32 : x
  2. Step 2: Convert to fraction form
    71,025.12/98,013.81 = 39,193.32/x
  3. Step 3: Cross multiply
    71,025.12x = 98,013.81 × 39,193.32
  4. Step 4: Simplify right side
    71,025.12x = 3,841,486,619.75
  5. Step 5: Solve for x
    x = 3,841,486,619.75/71,025.12
  6. Step 6: Final answer
    x = 54,086.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.